Search a number
-
+
3123103321 = 131925749199
BaseRepresentation
bin1011101000100110…
…1100011001011001
322001122200002100101
42322021230121121
522344003301241
61233522535401
7140251640332
oct27211543131
98048602311
103123103321
111362a01828
12731b07561
133aa056b40
14218acd289
151342ade31
hexba26c659

3123103321 has 16 divisors (see below), whose sum is σ = 3554208000. Its totient is φ = 2720452608.

The previous prime is 3123103307. The next prime is 3123103327. The reversal of 3123103321 is 1233013213.

3123103321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3123103321 - 211 = 3123101273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123103327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38880 + ... + 88078.

It is an arithmetic number, because the mean of its divisors is an integer number (222138000).

Almost surely, 23123103321 is an apocalyptic number.

It is an amenable number.

3123103321 is a deficient number, since it is larger than the sum of its proper divisors (431104679).

3123103321 is a wasteful number, since it uses less digits than its factorization.

3123103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49488.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3123103321 is about 55884.7324499277. The cubic root of 3123103321 is about 1461.7130266836.

Adding to 3123103321 its reverse (1233013213), we get a palindrome (4356116534).

The spelling of 3123103321 in words is "three billion, one hundred twenty-three million, one hundred three thousand, three hundred twenty-one".

Divisors: 1 13 19 247 257 3341 4883 49199 63479 639587 934781 12152153 12644143 164373859 240238717 3123103321